Prescribed burns may help reduce US carbon footprint

The use of prescribed burns to manage Western forests may help the United States reduce its carbon footprint. A new study finds that such burns, often used by forest managers to reduce underbrush and protect bigger trees, ...

Charcoal evidence tracks climate changes in Younger Dryas

A new study reports that charcoal particles left by wildfires in sediments of 35 North American lake beds don't readily support the theory that comets exploding over the continent 12,900 years ago sparked a cooling period ...

Dirty snow causes early runoff in Cascades, Rockies

Soot from pollution causes winter snowpacks to warm, shrink and warm some more. This continuous cycle sends snowmelt streaming down mountains as much as a month early, a new study finds. How pollution affects a mountain range's ...

Why doesn't water help with spicy food? What about milk or beer?

Spicy foods taste spicy because they contain a family of compounds called capsaicinoids. Capsaicin is the major culprit. It's found in chilies, jalapeños, cayenne pepper, and is even the active ingredient in pepper spray.

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